Check the listing for details. BOSCH RH540S Spline Combination Hammer,12A @ 120V 30RW20. Condition: New. Listed at 692.44 USD. Rotary Hammer Kit, Chuck Style Spline, Handle Type L-Shape, Solid Bit Optimal Drilling Range in Concrete 1/2 in to 1 3/8 in, Solid Bit Capacity in Concrete 1 9/16 in, Modes of Operation Hammer & Rotate, Hammer Only, Kit Contents (1) Bare Tool, Current 12 A, Voltage 120V AC, Maximum Blows per Minute 2,900 bpm, Impact Energy 6.1 ft-lb, Anti-Kickback Clutch Yes, Auxiliary Handle Positions Continuous, Blows per Minute 1,500 to 2,900 bpm, Clutch Style Integral Clutch, Cord Length 8 ft The new spline combination rotary hammer from Bosch provides maximum productivity in all day drilling and chiseling applications. Provides up to 39% more impact energy versus the previous model for best in class performance. This delivers better bit control during application start-up.